*SUPPORT*
IN: zup fep kiki OUT: RED GREEN BLUE
IN: kiki lug fep OUT: BLUE GREEN
IN: kiki wif lug gazzer OUT: BLUE BLUE PURPLE
IN: kiki gazzer wif OUT: BLUE PURPLE PURPLE
IN: kiki wif OUT: BLUE BLUE
IN: gazzer wif OUT: PURPLE PURPLE
IN: zup OUT: RED
IN: zup fep wif OUT: RED GREEN GREEN
IN: kiki zup wif OUT: BLUE RED RED
IN: kiki OUT: BLUE
IN: zup wif OUT: RED RED
IN: zup wif lug fep OUT: RED RED GREEN
IN: zup fep wif lug gazzer OUT: RED GREEN GREEN PURPLE
IN: gazzer zup OUT: PURPLE RED

*QUERY*
IN: fep wif lug zup OUT: GREEN GREEN RED
IN: fep dax fep lug gazzer OUT: GREEN GREEN GREEN GREEN GREEN PURPLE
IN: fep lug fep OUT: GREEN GREEN
IN: fep OUT: GREEN
IN: fep kiki lug zup OUT: GREEN BLUE RED
IN: gazzer lug gazzer OUT: PURPLE PURPLE
IN: gazzer OUT: PURPLE
IN: kiki gazzer lug zup OUT: BLUE PURPLE RED
IN: kiki dax zup OUT: RED BLUE BLUE BLUE BLUE
IN: fep fep kiki wif lug fep OUT: GREEN GREEN BLUE BLUE GREEN

*GRAMMAR*
zup -> RED 
 fep -> GREEN 
 kiki -> BLUE 
 gazzer -> PURPLE 
 u1 wif -> [u1] [u1] 
 x1 lug u1 -> [x1] [u1] 
 x1 dax u1 -> [u1] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 